Chromatography relies on precise separations, and the accessories supporting your LC columns play a critical role in achieving optimal results. Investing in high-quality components ensures reproducibility, extends column life, and prevents costly downtime. This guide will help you navigate the essential accessories for your liquid chromatography setup.
Looking for the best Lab Chromatography LC Column Accessories?
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- Premium Construction: made from G3.3 high borosilicate glass, ensuring durability and resistance to chemical corrosion, with a polytetrafluoroethylene (PTFE) valve for added reliability
- Enhanced Separation: features a G2 sand plate at the bottom with a sand core pore size ranging from 40 to 80 micrometers, facilitating efficient separation of mixed samples containing various organic compounds
- Precise Dimensions: with an inner diameter of 13mm and an effective length of 203mm, equipped with a standard 24/40 joint at the top for seamless integration into laboratory setups
- Versatile Application: ideal for separating mixed samples containing multiple organic compounds, making it a valuable tool for various laboratory experiments and analyses
- Satisfaction Guarantee: in case of any damage upon receipt, please contact us immediately for prompt assistance and resolution; your satisfaction is our priority
- Premium Construction: made from G3.3 high borosilicate glass, ensuring durability and resistance to chemical corrosion, with a polytetrafluoroethylene (PTFE) valve for added reliability
- Enhanced Separation: features a G2 sand plate at the bottom with a sand core pore size ranging from 40 to 80 micrometers, facilitating efficient separation of mixed samples containing various organic compounds
- Precise Dimensions: with an inner diameter of 13mm and an effective length of 203mm, equipped with a standard 24/40 joint at the top for seamless integration into laboratory setups
- Versatile Application: ideal for separating mixed samples containing multiple organic compounds, making it a valuable tool for various laboratory experiments and analyses
- Satisfaction Guarantee: in case of any damage upon receipt, please contact us immediately for prompt assistance and resolution; your satisfaction is our priority
- Pore volume ~ 0. 75 mL/g
- For higher demands on the performance of column packing we recommend our high-purity irregular POLYGOPREP silicas
- Available in different particle sizes
- Standard silica 60, pore size ~ 60 Å
- Premium Construction: made from G3.3 high borosilicate glass, ensuring durability and resistance to chemical corrosion, with a polytetrafluoroethylene (PTFE) valve for added reliability
- Enhanced Separation: features a G2 sand plate at the bottom with a sand core pore size ranging from 40 to 80 micrometers, facilitating efficient separation of mixed samples containing various organic compounds
- Precise Dimensions: with an inner diameter of 13mm and an effective length of 203mm, equipped with a standard 24/40 joint at the top for seamless integration into laboratory setups
- Versatile Application: ideal for separating mixed samples containing multiple organic compounds, making it a valuable tool for various laboratory experiments and analyses
- Satisfaction Guarantee: in case of any damage upon receipt, please contact us immediately for prompt assistance and resolution; your satisfaction is our priority
- Robust Material Composition: engineered from G3.3 high borosilicate Glass for longevity, enhanced chemical resistance and reliability; equipped with a PTFE valve for added durability and chemical protection
- Precision Sand Plate Design: features a G2 sand plate at the base, providing consistent and accurate separation with sand core apertures ranging from 40 to 80 Micrometers, ensuring fine control over separation processes
- Seamless Integration: designed with a 19 mm inner diameter and 8 inch length, complete with a standard 24/40 interface at the top for easy connection to laboratory equipment, ensuring compatibility and smooth workflow
- Versatile Laboratory Tool: tailored for the precise separation of mixtures containing diverse organic compounds, facilitating comprehensive experimentation and research in various laboratory settings
- Warranty: if received damaged, please contact us immediately; we will solve it until satisfied
- Package Weight: 2.2 lbs
- Product Type: Lab Supply
- Package Quantity: 1
- Country Of Origin: United States
- Chromatography column
- 24/40 Joint; G2 40~80 μm Nominal Max. pore size
- With Fritted Disc and PTFE Stopcock
- 25mm in column O.D. And 203mm in effective length
- StonyLab ensures premium products and premium customer service; if received damaged, please contact us immediately; we will solve it until satisfied
- Pore volume ~ 0. 75 mL/g
- For higher demands on the performance of column packing we recommend our high-purity irregular POLYGOPREP silica's
- Available in different particle sizes
- Standard silica 60, pore size ~ 60 Å
- Robust Material Composition: engineered from G3.3 high borosilicate Glass for longevity, enhanced chemical resistance and reliability; equipped with a PTFE valve for added durability and chemical protection
- Precision Sand Plate Design: features a G2 sand plate at the base, providing consistent and accurate separation with sand core apertures ranging from 40 to 80 Micrometers, ensuring fine control over separation processes
- Seamless Integration: designed with a 19 mm inner diameter and 12 inch length, complete with a standard 24/40 interface at the top for easy connection to laboratory equipment, ensuring compatibility and smooth workflow
- Versatile Laboratory Tool: tailored for the precise separation of mixtures containing diverse organic compounds, facilitating comprehensive experimentation and research in various laboratory settings
- Warranty: if received damaged, please contact us immediately; we will solve it until satisfied
- 1. Use a disposable syringe to draw 5 mL of chromatographic pure methanol and push it into the C18 cartridge at a flow rate of 2~4 mL/min.
- 2. Use a disposable syringe to draw 10mL of secondary deionized water and push it into the C18 cartridge at a flow rate of 2~4mL/min.
- 3. The C18 cartridge should be placed flat for 20 minutes to ensure its full activation.
- 4. Use a disposable syringe to draw the sample solution, push it into C18 at a flow rate of 2~4mL/min, and discard the first 3mL.
- 5. Collect the following liquid, combine it with a syringe filter, and directly enter the ion chromatography for analysis, or transfer it to a sample bottle for sample injection analysis through an autosampler.
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Last update on 2026-03-25 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Chromatography LC Column Accessories
Understanding LC Column Accessories
Liquid chromatography (LC) column accessories are crucial for maintaining the integrity and performance of your separation system. These components ensure proper column connection, protect the stationary phase, and facilitate smooth mobile phase flow. Without the right accessories, you risk leaks, sample contamination, and compromised analytical data.
Key Accessories to Consider
- Frit Materials: These porous discs are found at the inlet and outlet of LC columns. They prevent particulate matter from entering the column and damaging the stationary phase, and also help distribute the mobile phase evenly. Common materials include PEEK, stainless steel, and biocompatible options.
- Ferrules and Fittings: Essential for leak-free connections between the column, pump, and detector. Ensure compatibility with your column's dimensions and your system's pressure rating. PEEK fittings are common for lower-pressure applications, while stainless steel is preferred for high-pressure systems.
- Guard Columns and Cartridges: These are placed inline before the analytical column to protect it from strongly retained compounds, particulates, and mobile phase contaminants. They are designed to be sacrificial and are easily replaced, significantly extending the lifespan of your primary analytical column.
- Tubing and Connectors: High-quality tubing ensures consistent flow and minimal dead volume. Consider the material (e.g., PEEK, stainless steel) and inner diameter to match your system's requirements. Proper connectors are vital for secure and leak-free connections.
Choosing the Right Materials
Material selection is paramount. PEEK (Polyether Ether Ketone) is a popular choice for its chemical inertness and ease of use, especially in standard HPLC systems. For UHPLC or demanding applications, stainless steel or other robust alloys might be necessary due to higher pressure requirements and broader chemical compatibility. Biocompatible materials are essential for sensitive biological samples to prevent adsorption or degradation.
Comparison Tips
- Chemical Compatibility: Always verify that the accessory material is compatible with your mobile phase solvents and sample matrix to avoid degradation or unwanted reactions.
- Pressure Ratings: Ensure that fittings, tubing, and ferrules can withstand the operating pressures of your LC system, especially if you are using UHPLC.
- Dimensions and Fit: Column frits, ferrules, and fittings must be precisely sized to ensure a secure, leak-free seal and prevent void formation within the column.
- Ease of Installation: Some systems offer finger-tight fittings that simplify installation and reduce the need for specialized tools.